OBD Guide
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B1E40

3rd Row Seat Tailgate Switch Stuck

B1E40 is an OBD-II diagnostic trouble code meaning: 3rd Row Seat Tailgate Switch Stuck. Common causes: mechanical damage to the switch, switch contacts are dirty. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the third row of seats
  • Security bugs
  • Dashboard lighting linked to tailgate

Causes

  • Mechanical damage to the switch
  • Switch contacts are dirty
  • Problems in the wiring harness
  • Short circuit in the circuit

How to Fix

  1. Check the condition of the limit switch
  2. Clean switch contacts
  3. Check the integrity of the wiring harness
  4. Replace the switch if necessary

Related codes

B1E41B1E42

FAQ

What does the B1E40 code mean?

B1E40 is an OBD-II diagnostic trouble code that indicates: 3rd Row Seat Tailgate Switch Stuck

What causes a B1E40 error code?

The most common causes of B1E40 include: Mechanical damage to the switch; Switch contacts are dirty; Problems in the wiring harness; Short circuit in the circuit.

How do I fix a B1E40 diagnostic trouble code?

To fix B1E40: Check the condition of the limit switch. Clean switch contacts. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1E40?

Limited driving only, diagnose soon

How much does it cost to fix B1E40?

The estimated repair cost for B1E40 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat